From e3eec989e647af95abb4cea7189a7421b6d13317 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sat, 29 Apr 2023 19:48:50 +0200
Subject: [PATCH] libxml.m4: Fix quoting

Should fix #527.
---
 libxml.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxml.m4 b/libxml.m4
index 622a7499..27ad84d4 100644
--- a/libxml.m4
+++ b/libxml.m4
@@ -2,7 +2,7 @@ dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
 dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
 dnl
 AC_DEFUN([AM_PATH_XML2],[
-  AC_MSG_WARN([AM_PATH_XML2 is deprecated, use PKG_CHECK_MODULES instead])
+  m4_warn([obsolete], [AM_PATH_XML2 is deprecated, use PKG_CHECK_MODULES instead])
   AC_REQUIRE([PKG_PROG_PKG_CONFIG])
 
   verdep=ifelse([$1], [], [], [">= $1"])